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package Controler;

import java.io.IOException;
import javax.servlet.RequestDispatcher;
import model.Usuario;
import persistence.UsuarioDAO;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


/**
 *
 * @author Clau
 */
@WebServlet(name = "ServletLogin", urlPatterns = {"/ServletLogin"})
public class ServletLogin extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
       String redir = "/login.jsp";
        String msg = "";
        Usuario usuarioLogado = null;
        UsuarioDAO dao = new UsuarioDAO();
        try {
            String email = request.getParameter("email");
            String senha = request.getParameter("senha");

            if (email != null && senha != null) {

                Usuario usuario = new Usuario();
                usuario.setNome(email);
                usuario.setSenha(senha);

                usuarioLogado = dao.buscarUsuario(usuario);

                if (usuarioLogado != null) {
                    if(usuarioLogado.getNivelAcesso()==1){
                    request.getSession().setAttribute("usuarioLogado",usuarioLogado);
                    redir = "/gerHome.jsp";
                    }else{
                        request.getSession().setAttribute("usuarioLogado",usuarioLogado);
                    redir = "/tecHome.jsp";
                    }
                } else {
                    msg = "Usuario Ou Senha Invalidos!";
                    redir = "/index.html";
                }
            } else {
                msg = "Informe O Usuario E Senha!";
                redir = "/login.jsp";
            }

        } catch (Exception ex) {
            ex.printStackTrace();
            msg = "Erro ao efetuar o login!";
            redir = "/erro.jsp";
        } finally {
            request.setAttribute("msg", msg);
            RequestDispatcher rd = request.getRequestDispatcher(redir);
            rd.forward(request, response);

        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
